Being subject to repeated noise on your vehicle tends to be annoying, a vehicle is so sophisticated that it is constantly difficult to situate its origin and even more so to find the part that causes it. If you have already experienced a clicking noise on your Mercedes Benz M Class, we will almost certainly be able to support you. Indeed, our editorial staff decided to compose this document in order to review the main causes of a clicking noise on Mercedes Benz M Class. This is why, firstly, we will check out what are the reasons of this type of noise coming from your engine block, then those of a noise coming from your direction and finally, the sources of clicking noise on Mercedes Benz M Class coming from your suspensions.
I perceive a clicking noise on Mercedes Benz M Class from my engine
Examine your high engine
If you perceive a clicking noise on Mercedes Benz M Class, and this noise is based at the top of the engine, it means that it comes from your cylinder head and its associated parts. Two elements can be the causes of these ticking noises on Mercedes Benz M Class. Either the hydraulic pushers , in general it is because of their faulty “hydraulic catch-up” system that we will notice these clicking noises, often when cold and vanish when hot. Otherwise, it is the interplay of your rocker arms or their condition of wear that is at issue. In this circumstance, remember to change them.
Examine your low engine
If you have determined the zone of source of the Mercedes Benz M Class clikcing noises coming from your low engine, it may be that your rods or piston shafts are the causes. In both situations, the risk in the long term is the breakage of the motor. These two repairs are very complex and most mechanics will advise you to replace the engine of your Mercedes Benz M Class.
Combustion problem
Finally, if you have the feeling that this clicking noise on Mercedes Benz M Class is connected to the combustion of your engine, there are three possible triggers of it. Examine the state of your glow plugs which, if worn, can hinder the proper combustion of the fuel mixture. Then, it is plausible that your timing belt is shifted and that it does not properly manage the timing of the various engine parts to promote good combustion. And finally, the most classic reason, comes from your injection, which is either blocked or one or more injectors are damaged. In this circumstance, do not hesitate to consult this document which deals in detail with the different injection sounds on Mercedes Benz M Class.
I perceive a clicking noise on Mercedes Benz M Class in my direction
Examine the state of the gimbals
One of the most basic causes of a clicking noises in the direction of your Mercedes Benz M Class is associated with the direction of the vehicle. Indeed, the cardans and their bellows are parts that are constantly stressed during your changes of direction or that you turn your wheels and a wear of one of them can make a ticking type of sound when you approach the stop zone of your steering. A bellows with holes will affect the cardan shaft very quickly and must be changed very quickly, otherwise the entire cardan shaft will have to be changed. Consider taking a look at it. If you would like more detailed information about gimbals noises on Mercedes Benz M Class, do not hesitate to consult this complete guide.
Examine the rest of your direction
Finally, when you find out a clicking noise on your Mercedes Benz M Class, it is plausible that it is the direction that is involved. Just like the gimbals, the steering part is mobilized when you turn your wheels. If this is the circumstance, the parts that may have been damaged due to normal wear and tear or impact (e. g. sidewalks) are steering rods, stabilizer bar silentblocks or steering triangles.
I perceive a clicking noise on Mercedes Benz M Class coming from my suspensions
Examine the suspension
If you encounter a clicking noise on your Mercedes Benz M Class once you pass a speed bump, it is really plausible that your suspension block is the reason of the noise. Indeed, it may be the suspension cups, which, when they are outdated, have the rubber (silentbloc) that acts as a buffer and shock absorber for the upper part of the suspension that no longer fulfils its task and during small jolts that compress the suspensions. To check if this is the problem that worries you, take a dented road and, at low speed, focus on the noise coming from your front axle when you pass over holes. If these are the cups, consider changing them quickly as this may affect other parts and require more expensive repairs.
Check spring and cylinder
If you hear a clicking noise on your Mercedes Benz M Class at the suspension level, it is widely plausible that spring wear or shock cylinder deformation may be a cause. To check the shape of the spring, position the automobile on a flat surface and measure that the heights from the ground to the bottom of the body are identical on each side (empty car for measurement). You can also check between the front and rear, if there is a gap too large it means that most likely your springs are worn, if you observe a leak go a little further in the article to have the answer to this problem. For the cylinder the verification is visual, be sure that it seems to work in a straight axis. And that there is no angle that would alter its proper functioning. If one of them breaks in both situations, you should consider replacing it or them. If you have the feeling that this noise is more like a squeaking noise on Mercedes Benz M Class than a clicking noise, don’t hesitate to consult this article.
